melhorando a leitura de projetos no mmpCreator

assets/js/creations/socket.js

@@ -976,6 +976,19 @@ async function handleActionBroadcast(action) {
         track.activePatternIndex = patternIndex;
       });
 
+      try {
+        const maxSteps = appState.pattern.tracks
+          .filter(t => t.type !== "bassline")
+          .map(t => t.patterns?.[patternIndex]?.steps?.length || 0)
+          .reduce((a, b) => Math.max(a, b), 0);
+
+        const barsEl = document.getElementById("bars-input");
+        if (barsEl && maxSteps > 0) {
+          // assumindo 16 steps por compasso (4/4 em 1/16)
+          barsEl.value = Math.max(1, Math.ceil(maxSteps / 16));
+        }
+      } catch {}
+
       // Mostra o toast (só uma vez)
       if (!isFromSelf) {
         const who = actorOf(action);